The 1911–12 Welsh Amateur Cup was the 22nd season of the Welsh Amateur Cup. The cup was won by Rhos who defeated Summerhill 2–1 in the final at Wrexham.FAW Minutes

Preliminary round +Home teamResultAway teamCaernarfon United1-0LlanrwstLlandudno Junction0-4Holyhead SwiftsHolywell United2-2Bagillt United2-0 (rep)Denbigh3-0ShottonRossett InstituteGreen United (Brymbo)Ffrith Valley1-3Tanyfron UnitedGwersyllt6-0GresfordSouthsea6-0Rhosrobin InstituteRuabon0-2Chirk

First round +Home teamResultAway teamHolyhead Swifts6-2Colwyn BayCaernarfon United8-0LlanberisDenbigh6-5MoldRhyl2-0Holywell UnitedSouthsea2-1GwersylltTanyfron United2-1Green UnitedEsclusham White Stars1-1RhosAcrefair 3-1ChirkBuilth Wells3-2Llanfaes BrigadeBuckley EngineersBye to Third RoundAberystwythJohnstownBangor ReservesDruidsLlandudnoLlanfyllinSummerhill

Second round +Home teamResultAway teamCaernarfon United2-0Holyhead SwiftsBarmouth3-1PwllheliTanyfron United0-1SouthseaDenbigh1-1Holywell United0-3Acrefair0-3RhosLlanidloes Town5-3NewtownLlandrindod Wells1-0Builth WellsCardiff Corinthians0-0Llanelli

Third round +Home teamResultAway teamCaernarfon United0-0Bangor3-3 (rep)0-6 (rep)Llandudno Amateurs2-0Holywell UnitedRhos4-1Buckley EngineersSummerhill4-1 (aban)SouthseaBarmouth1-3AberystwythDruids1-2Johnstown AmateursLlanfyllin1-1LlanidloesLlanelliBye

Fourth round +Home teamResultAway teamAberystwyth10-3LlanelliLlanidloes1-2SummerhillRhos3-0Johnstown AmateursBangor3-3Llandudno Amateurs6-0

Semi-final +ResultVenueRhos5-4AberystwythNewtownJohnstown Amateurs3-2BangorLlandudno

Final WinnerResultRunner-upVenueRhos2-1SummerhillWrexham

References